Beyond the Wall

Idling away his time Centurion Antonius sits stuck on a hill fort on the edge of nowhere. In his uneventful area, he is surprised when news of the supply caravan being ambushed arrives. Assembling his men he sets out to rescue their much-needed resources and runs smack into trouble.
What he finds is not a Pict raiding party, but a new unknown foe from across the North Sea that threatens to reshape the balance of power along the frontier. This event sets Antonius off on a desperate race north...